Glass, Volume 17Minoru Tomozawa, Robert Heward Doremus |
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Page 23
... tion coupled with an essentially ( within a factor of five or six ) constant preexponential term in the permeability version of Eq . ( 30 ) . The data for the effect of glass composition on helium permeation and on the activation energy ...
... tion coupled with an essentially ( within a factor of five or six ) constant preexponential term in the permeability version of Eq . ( 30 ) . The data for the effect of glass composition on helium permeation and on the activation energy ...
Page 106
... tion proceeds and this led some to believe that phase separation helps subsequent crystallization ( Stookey , 1959 ; Ohlberg et al . , 1962 ) . Some even considered that the heat treatment for crystal nucleation is nothing but a heat ...
... tion proceeds and this led some to believe that phase separation helps subsequent crystallization ( Stookey , 1959 ; Ohlberg et al . , 1962 ) . Some even considered that the heat treatment for crystal nucleation is nothing but a heat ...
Page 210
... tion and / or decomposition [ a solution of 1-3 % nitrocellulose in amyl acetate has been found particularly useful ( Claypoole , 1959 ) ] , then the glass flows to complete the seal ; by further heating ( or holding at the sealing tem ...
... tion and / or decomposition [ a solution of 1-3 % nitrocellulose in amyl acetate has been found particularly useful ( Claypoole , 1959 ) ] , then the glass flows to complete the seal ; by further heating ( or holding at the sealing tem ...
Contents
Solubility Models | 9 |
Effect of Experimental Variables on Gas Mobility in Vitreous Materials | 16 |
Phase Separation and Crystallization | 26 |
Copyright | |
18 other sections not shown
Common terms and phrases
activation energy addition alkali alkali ions alkali silicate glasses annealing atom band bleaching BOHC borate boron borosilicate glass cation Ceram Chem chemical durability components concentration crystallization curve decrease defect centers devitrifiable solder glasses Doremus effect ESR spectra eV band experimental Friebele fused silica glass surface glass systems glasses containing grinding Griscom heat treatment helium hole center hole trapped hydrogen hyperfine immiscibility immiscibility boundary increase indentation irradiation lapping hardness layer measured mole Na₂O Non-Cryst nonbridging oxygen nucleation observed optical absorption oxide glasses oxygen particle PbTiO3 permeability phase separation Phys polishing grains polishing rate powder properties radiation radiation-induced reaction samples Section Shelby shown in Fig silicate glasses SiO2 sodium softening point solder glass composites solubility spectrum spinodal decomposition structure studies Table Takamori thermal expansion coefficient tion Tomozawa U.S. Patent viscosity vitreous silica vitreous solder glass volume loss